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Consolidated Balance Sheets Parenthetical In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 USD ($) | Dec. 31, 2012 EUR (€) | Dec. 31, 2011 USD ($) | Dec. 31, 2011 EUR (€)
Allowance for Doubtful Accounts Receivable, Current | $ 5,221 |  | $ 4,315 |
Finite-Lived Intangible Assets, Accumulated Amortization | 532,006 |  | 417,430 |
Due to Related Parties, Current | 7,008 |  | 7,383 |
Due to Related Parties, Noncurrent | $ 445,000 |  | $ 445,000 |
Preference shares, par value |  | € 0.01 |  | € 0.01
Preference shares, shares authorized | 450,000 | 450,000 | 450,000 | 450,000
Preference shares, shares issued | 0 | 0 | 0 | 0
Preference shares, shares outstanding | 0 | 0 | 0 | 0
Financing preference shares, par value |  | € 0.01 |  | € 0.01
Financing preference shares, shares authorized | 40,000 | 40,000 | 40,000 | 40,000
Financing preference shares, shares issued | 0 | 0 | 0 | 0
Financing preference shares, shares outstanding | 0 | 0 | 0 | 0
Common Stock, Par or Stated Value Per Share |  | € 0.01 |  | € 0.01
Common Stock, Shares Authorized | 410,000 | 410,000 | 410,000 | 410,000
Common Stock, Shares, Issued | 236,487 | 236,487 | 234,221 | 234,221
Common Stock, Shares, Outstanding | 236,487 | 236,487 | 234,221 | 234,221
Treasury stock (in shares) | 1,943 | 1,943 |  |

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